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9,253 diagnostic guides

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Find codes by symptomChoose what you notice to search matching code guides.

Rough idle or shakingVibration while stopped Hard to startLong cranking or no-start Engine stallsCuts out at idle or on the road Hesitates or loses powerSlow response when accelerating Battery light is onCharging system warning Harsh gear changesDelayed or rough shifting

A symptom can have several causes. Treat matching codes as clues and follow the diagnostic checks in each guide.

Sensors & Electronics P · Powertrain Clear all

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Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

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All severities9253 Low priority305 Check soon8256 Urgent621

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All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

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These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.

Diagnostic codes

Showing 265–288 of 2110

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P0318Rough Road Sensor A Signal CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0318 relates to rough road sensor a signal circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0319Rough Road Sensor B Signal CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0319 relates to rough road sensor b signal circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P031AIgnition C Control Signal Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP031A relates to ignition c control signal circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P031BIgnition C Control Signal Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP031B relates to ignition c control signal circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P031CIgnition C Control Signal Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP031C relates to ignition c control signal circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P031DIgnition D Control Signal Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP031D relates to ignition d control signal circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P031EIgnition D Control Signal Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP031E relates to ignition d control signal circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P031FIgnition D Control Signal Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP031F relates to ignition d control signal circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0324Knock/Combustion Vibration Control System ErrorCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0324 relates to knock/combustion vibration control system error. Check the fault conditions and vehicle-specific procedure before replacing parts.P0326Knock/Combustion Vibration Sensor A Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0326 relates to knock/combustion vibration sensor a circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P0328Knock/Combustion Vibration Sensor A Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0328 relates to knock/combustion vibration sensor a circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0329Knock/Combustion Vibration Sensor A Circuit IntermittentCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0329 relates to knock/combustion vibration sensor a circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P032AKnock/Combustion Vibration Sensor C CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP032A relates to knock/combustion vibration sensor c circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P032BKnock/Combustion Vibration Sensor C Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP032B relates to knock/combustion vibration sensor c circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P032CKnock/Combustion Vibration Sensor C Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP032C relates to knock/combustion vibration sensor c circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P032DKnock/Combustion Vibration Sensor C Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP032D relates to knock/combustion vibration sensor c circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P032EKnock/Combustion Vibration Sensor C Circuit IntermittentCheck soonSensors & Electronics30–120 minutes for initial diagnosisP032E relates to knock/combustion vibration sensor c circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P032FCombustion Engine Producing Insufficent TorqueCheck soonSensors & Electronics30–120 minutes for initial diagnosisP032F relates to combustion engine producing insufficent torque. Check the fault conditions and vehicle-specific procedure before replacing parts.P0331Knock/Combustion Vibration Sensor B Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0331 relates to knock/combustion vibration sensor b circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P0332Knock/Combustion Vibration Sensor B Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0332 relates to knock/combustion vibration sensor b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P0333Knock/Combustion Vibration Sensor B Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0333 relates to knock/combustion vibration sensor b circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0334Knock/Combustion Vibration Sensor B Circuit IntermittentCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0334 relates to knock/combustion vibration sensor b circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P033AKnock/Combustion Vibration Sensor D CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP033A relates to knock/combustion vibration sensor d circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P033BKnock/Combustion Vibration Sensor D Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP033B relates to knock/combustion vibration sensor d circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.